4(3x+7)=2(4x+20)

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Solution for 4(3x+7)=2(4x+20) equation:


Simplifying
4(3x + 7) = 2(4x + 20)

Reorder the terms:
4(7 + 3x) = 2(4x + 20)
(7 * 4 + 3x * 4) = 2(4x + 20)
(28 + 12x) = 2(4x + 20)

Reorder the terms:
28 + 12x = 2(20 + 4x)
28 + 12x = (20 * 2 + 4x * 2)
28 + 12x = (40 + 8x)

Solving
28 + 12x = 40 + 8x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-8x' to each side of the equation.
28 + 12x + -8x = 40 + 8x + -8x

Combine like terms: 12x + -8x = 4x
28 + 4x = 40 + 8x + -8x

Combine like terms: 8x + -8x = 0
28 + 4x = 40 + 0
28 + 4x = 40

Add '-28' to each side of the equation.
28 + -28 + 4x = 40 + -28

Combine like terms: 28 + -28 = 0
0 + 4x = 40 + -28
4x = 40 + -28

Combine like terms: 40 + -28 = 12
4x = 12

Divide each side by '4'.
x = 3

Simplifying
x = 3

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